37* Allows plugins to move sub-menu items around.38*39* @since MU(3.0.0)40*41* @param string$parent_file The parent file.42*/43$parent_file=apply_filters('parent_file',$parent_file);4445/**46* Filters the file of an admin menu sub-menu item.47*48* @since 4.4.049*
History
Introduced in MU (3.0.0). Unchanged from 6.7.7 through 7.1.0.